Home / 115,484.40-159,368.58-67,095.72

Finding the Fourth Proportional to 115,484.40, 159,368.58 and 67,095.72

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Solution

The fourth proportional to 115,484.40, 159,368.58 and 67,095.72 is: 92,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,484.40 : 159,368.58 = 67,095.72 : x
  2. Step 2: Convert to fraction form
    115,484.40/159,368.58 = 67,095.72/x
  3. Step 3: Cross multiply
    115,484.40x = 159,368.58 × 67,095.72
  4. Step 4: Simplify right side
    115,484.40x = 10,692,949,620.48
  5. Step 5: Solve for x
    x = 10,692,949,620.48/115,484.40
  6. Step 6: Final answer
    x = 92,592.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.